Pogwiritsa ntchito madzi amadzi, imatha kugwiritsidwa ntchito ngati wothandizira woyambirira, womwe ungapangire mphamvu yoyambirira ya konkriti ndikuwongolera momwe ntchitoyi ikuthandizira. Komabe, kugwiritsa ntchito othandizira oyambirirawo kumabweretsanso zovuta nyumbayo, monga kuchepa mphamvu kwambiri ndipo pambuyo pake mphamvu ya konkriti, komanso kusintha kwa konkriti kwa konkriti. Ngakhale kugwiritsidwa ntchito kwa konkriti kumatha kusintha polemba madzi wamba m'madzi oyambira, mtengo wake umakhala wokwera kwambiri, ndipo wothandizira wamphamvu ndi wosavomerezeka kapena wogwiritsidwa ntchito molakwika, zomwe ndizovuta kuchititsa kuti ntchitoyo isachitike. Mukamaliza kuyesa kwa ratio, mapangidwe apamwamba kwambiri amatha kugwiritsidwa ntchito m'malo mwa othandizira olimbitsa thupi, omwe sangakhudze ntchitoyi komanso mtengo womanga. Pogwiritsa ntchito, cheke chamadzi chimatha kukonza konkriti mosasamala kanthu za nyengo, kuphatikizapo homogeneransi, kachulukidwe ndi madzi a simenti; Madzi am'madzi akagwiritsidwa ntchito, kuchuluka kwa madzi kumachepa, kuchuluka kwa simenti kumachepetsedwa, ndipo mtengo wopanga matembenuzidwe umachepetsedwa. Makamaka pokonzekera konkriti wokwera kwambiri, makonda amadzi ndiwofunikira kwambiri.
Mukamagwiritsa ntchito Madzi amadzi, zotsatirazi ziyenera kusamala:
Kusinthana kosalekeza ndi simenti. Awa ndiye maziko ogwiritsira ntchito madzi amadzi, ndipo ayenera kulandira chidwi ndi simenti. Ngati awiriwo sagwirizana, sikungotsitsa madzi okhawo sikungochitika, koma zimapangitsanso kuti ntchitoyo ithe kutsika ndi mtengo womanga.
②Chorcreticreticreticrely amasankha kuchepetsa madzi. Pofuna kupereka seweroli mpaka kutsika kwa madzi ochepetsa madzi, kutsika kwamadzi kuyenera kusankhidwa molondola ndi zochitika zenizeni. Madzi osiyanasiyana sangathe kusakanikirana kuti asateteze zovuta pa simenti.
③ Yang'anirani mtundu wa kuchepetsa madzi. Pali mitundu yambiri yamadzi, ndipo mtundu wa kutsika kwamadzi mu pulogalamuyi umakhudza konkriti. Chifukwa chake, posankha kuchepetsa madzi, pewani madzi ena ochepetsa kugwiritsidwa ntchito pomanga.
④ Kuwongolera kuchuluka kwa kuchuluka kwa madzi akumadzi. Kuchuluka kwa kuchepa kwamadzi kumakhudza konkriti kwa konkriti. Kuchepetsa pang'ono kapena kuchuluka kwambiri kwamadzi sikungakwaniritse kwambiri momwe zimagwiritsira ntchito madzi ochepetsa madzi, ndipo ngozi zapamwamba zimachitika. Chifukwa chake, kuchuluka kwa kuchepa kwamadzi kuyenera kulamulidwa mosamalitsa mukamagwiritsa ntchito.
Post Nthawi: Nov-282024
